Semiconductor data, Mpu : 90522bpffg139 (ic8), Th-k2at/k2e/k2et – Kenwood 144MHz FM TRANSCEIVER K2E User Manual

Page 14

Advertising
background image

TH-K2AT/K2E/K2ET

14

MPU : 90522BPFFG139 (IC8)

Pin function

1

CLOCK

O

Common serial clock output

2

DATA

O

Common serial data output

3

EEPDI

I

Data input from EEPROM

4

EEPCS

O

Chip select output to EEPROM

5

VOX

O

VOX power supply switch

L:ON

6

BPF/APC

O

BPF tuning voltage output, APC voltage

output (PWM)

7

KAPC

O

APC ON/OFF switch

L:APC ON

8

VCC

-

Positive power supply

9

AFM

O

AF mute switch

L:Mute

10

SPM

O

Speaker mute switch

H:Mute

11

RXD

I

UART data input line from PC (9600bps)

12

TXD

O

UART data output line to PC (9600bps)

13

PTTE

I

External [PTT] key input

L:ON

14

PTTI

I

[PTT] key input

L:ON

15

5C(SAVE)

O

Save power supply switch

L:ON

16

FINAL

O

Gate bias control of TX final amplifier

L:Bias ON

17

SEG0

O

LCD segment output 0

18

SEG1

O

LCD segment output 1

19

SEG2

O

LCD segment output 2

20

SEG3

O

LCD segment output 3

21

SEG4

O

LCD segment output 4

22

SEG5

O

LCD segment output 5

23

SEG6

O

LCD segment output 6

24

SEG7

O

LCD segment output 7

25

SEG8

O

LCD segment output 8

26

SEG9

O

LCD segment output 9

27

SEG10

O

LCD segment output 10

28

SEG11

O

LCD segment output 11

29

SEG12

O

LCD segment output 12

30

SEG13

O

LCD segment output 13

31

SEG14

O

LCD segment output 14

32

SEG15

O

LCD segment output 15

33

VSS

-

GND

34

COR1

-

Power supply stabilization (Connected to

VSS through 0.1uF)

35

ENCA

I

Encoder A side input

36

ENCB

I

Encoder B side input

37

5MS

O

5MS main power supply switch L:ON

38

DVCC

-

Reference voltage input for DAC

39

DVSS

-

Ground for DAC

40

DTMF/

O

Encode waveform output of DTME/BEEP/

BEEP

1750Hz (D/A)

41

TONE

O

Encode waveform output of CTCSS/DCS

(D/A)

42

AVCC

-

Positive power supply for ADC

43

AVRH

-

Reference voltage input for ADC

44

AVRL

-

Ground reference voltage input for ADC

45

AVSS

-

Ground for ADC

46

REM

I

Remote control microphone key voltage

input (A/D)

47

SIGIN

I

Decode waveform input of CTCSS/DCS

(A/D)

Pin

Pin

I/O

Function

No.

Name

Pin

Pin

I/O

Function

No.

Name

48

SQ

I

Noise voltage input for squelch (A/D)

49

SM

I

RSSI voltage input for S-meter (A/D)

50

VOXIN

I

Microphone voltage input for VOX (A/D)

51

THERM

I

TX temperature compensation input(A/D)

52

BATT

I

Battery voltage input (A/D)

53

BTEMP

I

Detection of thermistor voltage (temperature)

in the Ni-MH battety (A/D)

54

VCC

-

Positive power supply

55

CHARGE

O

Battery charge circuit power supply switch

H:ON

56

LAMP

O

Lamp power supply switch

H:ON

57

AFAMP

O

AF amplifier/Lamp AVR power supply

switch

H:ON

58

NAR

O

Wide/Narrow switching

H:Narrow

59

COM0

O

LCD common output 0

60

COM1

O

LCD common output 1

61

COM2

O

LCD common output 2

62

COM3

O

LCD common output 3

63

VSS

-

GND

64

SEG16

O

LCD segment output 16

65

SEG17

O

LCD segment output 17

66

SEG18

O

LCD segment output 18

67

SEG19

O

LCD segment output 19

68

SEG20

O

LCD segment output 20

69

SEG21

O

LCD segment output 21

70

SEG22

O

LCD segment output 22

71

SEG23

O

LCD segment output 23

72

SEG24

O

LCD segment output 24

73

NC

-

Not used

74

NC

-

Not used

75

SEG25

O

LCD segment output 25

76

SEG26

O

LCD segment output 26

77

SEG27

O

LCD segment output 27

78

SEG28

O

LCD segment output 28

79

SEG29

O

LCD segment output 29

80

SEG30

O

LCD segment output 30

81

SEG31

O

LCD segment output 31

82

V0

-

Not used

83

V1

-

Not used

84

V2

-

Not used

85

V3

-

LCD drive power supply 3

86

HST(VCC)

I

Not used (VCC)

87

MD2

I

L fixed

88

MD1

I

H fixed

89

MD0

I

H fixed

90

RESET

I

Reset input

L:Reset

91

VSS

-

GND

92

X0

I

System clock (7.9872MHz)

93

X1

O

System clock (7.9872MHz)

94

VCC

-

Positive power supply

95

PWRSW

I

Power switch interrupt input (↓)

96

INTUP

I

Power supply voltage interrupt input (↑)

97

INTDW

I

Power supply voltage interrupt input (↓)

SEMICONDUCTOR DATA

Advertising
This manual is related to the following products: